Shuttle Challenger is set for launch at 9:36 a.m. Sunday...

January 23, 1986

Shuttle Challenger is set for launch at 9:36 a.m. Sunday. Aboard will be New Hampshire high school teacher Christa McAuliffe, who will conduct a televised class from space. Challenger is to land at 10:10 a.m. Feb. 1 at Kennedy Space Center.